“UL Subject 2250:1999” has been added to your cart. View cart Home UL UL Subject 639:2014 UL Subject 639:2014$230.52 Original price was: $230.52.$115.00Current price is: $115.00. Standard for Intrusion-Detection Units (CSDS Proposal, 11/20/2014) Underwriters Laboratories , 11/20/2014 UL Subject 639:2014 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 11/20/2014 Published:11/20/2014 Related products UL Subject 508:1999 $136.87 Original price was: $136.87.$68.00Current price is: $68.00. Add to cart UL Subject 1062:1999 $282.91 Original price was: $282.91.$141.00Current price is: $141.00. Add to cart UL Subject 1063:1999 $297.76 Original price was: $297.76.$148.00Current price is: $148.00. Add to cart UL Subject 676:1999 $247.42 Original price was: $247.42.$123.00Current price is: $123.00. Add to cart UL Subject 1573:1999 $118.16 Original price was: $118.16.$59.00Current price is: $59.00. Add to cart UL Subject 183:1999 $241.75 Original price was: $241.75.$120.00Current price is: $120.00. Add to cart UL Subject 142:1999 $178.40 Original price was: $178.40.$89.00Current price is: $89.00. Add to cart UL Subject 1450:1999 $261.78 Original price was: $261.78.$130.00Current price is: $130.00. Add to cart UL Subject 1564:1999 $161.46 Original price was: $161.46.$80.00Current price is: $80.00. Add to cart UL Subject 1971:1999 $215.53 Original price was: $215.53.$107.00Current price is: $107.00. Add to cart